How big is America compared with the uk?

The United States of America is 9,826,675 km2. The United Kingdom of Great Britain and Northern Ireland is 243,610 km2.

The US is 40 times the size of the UK.

However, America is also a supercontinent (also referred to as the Americas) and includes North and South America.

The Americas are 42,549,000 km2. The UK is 243,610 km2.

The Americas are 175 times the size of the UK.